A.閃光對(duì)焊 B.電弧焊 C.電渣壓力焊 D.電阻點(diǎn)焊
A.0.1 B.0.2 C.0.3 D.0.5
A.0.6N/mm2 B.1.2N/mm C.1.8N/mm2 D.2.4N/mm2